Finding the Fourth Proportional to 477,917,793.68, 716,876,690.51 and 477,917,793.68
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Solution
The fourth proportional to 477,917,793.68, 716,876,690.51 and 477,917,793.68 is: 716,876,690.51
Step by Step Solution
- Step 1: Write the proportion equation
477,917,793.68 : 716,876,690.51 = 477,917,793.68 : x - Step 2: Convert to fraction form
477,917,793.68/716,876,690.51 = 477,917,793.68/x - Step 3: Cross multiply
477,917,793.68x = 716,876,690.51 × 477,917,793.68 - Step 4: Simplify right side
477,917,793.68x = 342,608,126,266,769,856 - Step 5: Solve for x
x = 342,608,126,266,769,856/477,917,793.68 - Step 6: Final answer
x = 716,876,690.51
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.